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3 articles

Full-Text Search with Elasticsearch and Node.js

A step-by-step tutorial for full-text search with Elasticsearch: index design, analyzers, fuzzy matching, faceted search and performance tuning.

Jan 30, 2025·4 min read

Vector space visualization showing similar items clustered together with distance metrics between points

Artificial Intelligence

Vector Databases and Similarity Search

A practical guide to vector databases for similarity search: embeddings, indexing strategies, distance metrics, and choosing between the main options.

Aug 19, 2022·5 min read

Inverted index data structure mapping terms to document IDs with frequency scores

Tutorials

Building a Full-Text Search Engine from Scratch

How full-text search engines work inside: tokenization, inverted indexes, TF-IDF scoring, and building a working search engine in TypeScript step by step.

Nov 15, 2021·5 min read

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